ethyl 7-methyl-3-oxooct-6-enoate

6-hydroxy-4,7-dimethylchromen-2-one

2,8-二甲基-4-羟基喹啉

ethyl 2-(1H-benzimidazol-2-ylsulfanyl)-3-oxobutanoate

N-(2-溴苯基)-3-氧代丁酰胺